From FedoraProject

Enhancements

Enhancements are:

Less documented improvements to a Fedora release which do follow the feature process and do not fit the feature definition below.

Added to the release summary by anyone under heading of Other Enhancements. The release summary for each release lives in the following namespace: http://fedoraproject.org/wiki/Releases/<release number>/ReleaseSummary

Features

Definition of a Feature

A feature is defined as a significant change or enhancement to the version of Fedora currently under development that may or may not include new packages.

Features are usually considered to meet one or more of the following objectives: